Hi i would like to make a bitcoin faucet.

Please don't. It's a very bad idea.

I already have a script and its ready for upload but my question is

That's unfortunate.

if is it possible to host it on a free web hosting site using a sub-domain?

Doesn't sound very secure. That's probably a bad idea.

make something else
don't make faucet
people hate them
How come freebitco.in(a faucet/gambling site) is worth $40,000,000 then?

i really want to make a faucet website, can anyone help me?